Home / 63,220.34-94,830.50-18,878.23

Finding the Fourth Proportional to 63,220.34, 94,830.50 and 18,878.23

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Solution

The fourth proportional to 63,220.34, 94,830.50 and 18,878.23 is: 28,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,220.34 : 94,830.50 = 18,878.23 : x
  2. Step 2: Convert to fraction form
    63,220.34/94,830.50 = 18,878.23/x
  3. Step 3: Cross multiply
    63,220.34x = 94,830.50 × 18,878.23
  4. Step 4: Simplify right side
    63,220.34x = 1,790,231,990.02
  5. Step 5: Solve for x
    x = 1,790,231,990.02/63,220.34
  6. Step 6: Final answer
    x = 28,317.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.